ACMS201209A101

Overview

The ACMS201209A101 is a multilayer ferrite chip EMI suppressor manufactured by Max Echo. It features an impedance of 100 Ohms at 100 MHz and supports a rated current of 3A. The component has a DC resistance of 40mOhm maximum. It is housed in a 0805 (2012 Metric) surface-mount package with dimensions of 0.079 inches length by 0.047 inches width. The operating temperature range extends from -55°C to +125°C.

Feature Summary

• Multilayer construction for effective high-frequency noise attenuation
• High current handling capability suitable for power line applications
• Compact surface-mount design for space-constrained PCB layouts

Applications

• Power line EMI suppression
• Digital circuit noise filtering
• Signal line interference reduction

Procurement Notes

Verify the specific suffix 'A' against the manufacturer's latest composite specification sheet to confirm impedance tolerance and material composition. Ensure the ordering quantity aligns with standard packaging formats provided by authorized distributors. Cross-reference the part number with official Max Echo documentation to validate availability status and lead times before finalizing procurement orders.

Selection Notes

Select this component when a 100 Ohm impedance at 100 MHz is required for noise suppression in circuits carrying up to 3A. The 0805 package size offers a balance between thermal performance and board space efficiency. Consider the low DC resistance to minimize voltage drop and power loss in sensitive power delivery networks.

Part Context

This part belongs to the ACMS2012 series of multilayer ferrite chips designed for EMI suppression. The series covers various impedance characteristics, primarily resistive, to attenuate noise effectively. These components are engineered for surface-mount technology, providing reliable performance in compact electronic devices requiring efficient electromagnetic interference management.

Replacement Considerations

Publicly confirmed substitute part numbers for the ACMS201209A101 were not identified in available documentation. Verify compatibility with alternative ferrite beads based on impedance curves, current ratings, and physical dimensions if sourcing from different manufacturers.